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Stack_Using_Array.cpp
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Stack_Using_Array.cpp
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/******************************************************************************
Online C++ Compiler.
Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.
*******************************************************************************/
#include <iostream>
using namespace std;
#define SIZE 5
int arr[SIZE];
int top = -1;
int isfull()
{
if(top == SIZE - 1)
{
return 1; // returns 1 to the push function
}
else
{
return 0;
}
}
void push (int n)
{
if(isfull()) // if(1) 1 means condition true
{
cout<<"Stack Overflow";
}
else
{
top++;
arr[top]=n;
}
}
int isempty()
{
if(top == -1)
{
return 1; // returns 1 to the push function
}
else
{
return 0;
}
}
void pop()
{
if(isempty())
{
cout<<"Stack Underflow";
}
else
{
int val = arr[top];
top--;
}
}
void traverse()
{
for(int i=top;i>=0;i--)
{
cout<<arr[i]<<" ";
}
}
int main()
{
push(5);
push(6);
pop();
pop();
push(20);
push(15);
traverse();
push(21);
traverse();
return 0;
}